145
FXHW01 KWNH 220647
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
246 AM EDT FRI SEP 22 2023
VALID 00Z SAT SEP 23 2023 - 00Z SAT SEP 30 2023
THE GUIDANCE AGREES THAT A WARM CORE HIGH STRENGTHENS TO THE NORTH
OF HAWAII THIS WEEK SHOULD KEEP A LOCALLY BREEZY TRADE WIND
PATTERN IN PLACE. TRADES MAY BE DISTURBED DURING THE WEEKEND WITH
SOME HEAVIER SHOWERS POSSIBLE AS AN UPPER LEVEL TROUGH/CYCLONE
MOVES NEARBY AND LEADS TO A SLIGHT UPTICK IN THE PRECIPITABLE
WATER VALUES OVER THE ISLANDS, AN EVENT WHICH LOOKS TO RECUR MID
TO LATE NEXT WEEK PRIOR TO THE APPROACH OF A TROPICAL DISTURBANCE.
SHOWERS THROUGH THE NEXT WEEK WILL TEND TO FOCUS OVER THE
FAVORABLE WINDWARD/MOUNTAIN AREAS BUT COULD EXTEND OVER SOME
LEEWARD LOCATIONS DEPENDING ON POCKETS OF HIGHER
MOISTURE/INSTABILITY MOVING THROUGH THE FLOW NEAR THE UPPER LEVEL
DISTURBANCES.
ROTH/SANTORELLI
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